Firing-device for demountable machine-guns



1 March 14, 1933.

A. L. RICORDEL FIRING DEVICE FOR DEMOUNTABLE MACHINE GUNS F iled Nov. 30, 1931 2 Sheets-Sheet 1 2 Sheets-Sheet 2 i. xcla March 14, 1933.

Patented Mar. 14, 1 938 UNITED STATES PATENT OFFICE AUGUSTE LOUIS RIGORDEL, F PARIS, FRANCE, ASSIGNOR T0 PRECISION MDDEBNE, OF PARIS, FRANCE, A CORPQKA'I'ION 0F FRAhTCE FIRING-DEVICE FOR DEMOUN'I'ABLE MACHINE-GUNS Application filed November 30, 1931, Serial No. 578,096, and in Trance December 3, 1930.

The present invention relates to improve- The mounting according to the present ments in mounting for machine-guns, parinvention includes inter alia means for pre-- ticularly those for firing at aerial objects, venting loading of the mitrailleuse when the such as are described in U. S. Patent pedal 141vis depressed, 1,7 22,862. This means comprises a lever 158 rotatable 5 These improvements are concerned with about an axis 159 and capable of movethe firing mechanism for demountable mament into position in front of the loading chine-guns and are directed in the first place channel 161 (dotted position). The other to enabling this to be used by persons of end of this lever is connected to thefiring 19 different heights without the necessity each lever 154 by the link 162 sliding in the so time of making a fresh adjustment and in a socket 163, a spring 164; being inserted bethe second place to ensure safety in the firtween the link and the socket so as to urge ing by preventing the insertion of projecthe one towards the other. tiles into the gun if the firing pedal of the When the parts are in the position shown mounting is accidentally depressed in firing in the figure (pedal 141 raised and charging osition. mechanism open), it will be seen that the A further improvement facilitates the delever 158 does not engage the channel so that mounting of the mounting by facilitating the mitrailleuse can be loaded. the lifting of the head of the mounting so When, on the other hand, the pedal 141 is go as to remove it from the grid support. depressed (with the parts as shown by the 1 Figure 1 i a side-elevation and Figure dotted lines), the lever 158 prevents access 2 is a plan of the mounting showing the imto the channel. 1 provements in the firing mechanism. When the cartridge is in position and the Figure 3 is a detail view illustrative of the p dal 1 :1 is depressed, the lever 158 presses 9,5 end of the support of the feet pedal of the on the cartridge which is in the channel and I5 firing mechanism, viewed in a direction perhe c m 153 can act on the firing lever 154 di l r to th t, f Figur 1, owing to the extensibility of the system 162,

Figure 4 is an axial sectional elevation of 3 permitted by the spring 164.

the machine-gun showing the parts assem- Finally (Figure 4) in order to secure the go bled, head 109 on the guide support 8, handles 1).-

The firing is effected by means of pedal 171 are em loyed hinged to the head 109 and 14:1 mount d on a upport 142 or on th having e argements 172 in the form of port for the foot-rests. v cams. It is clear that, if the locking han- Aeeording to the present inventi th dles are turned upwards so as to unlock the foot rest 143 can be displaced as well as head109 from the base 8 of the guide-supthe axis 144 of the pedal, to which it is port, the head 109 is lifted from the base 8 secured, withouthaving to alter the adjustowlng to the enlargements 172, thereby fament of the firing mechanism F r thi cilitating the dismantling of the mounting. purpose, the axis 144 of the pedal carries a What I claim is 7 to lever 145 which acts on a lever 146 which 1. In a machine-gun, a firing device with 0 can slide along a square rod 147 which a firing lever, a safety device to hinder the itself can rotate in the foot rest. By means oa ng of the machine-gun when said firof a lever 148, lever 149, link 151, the moveing device is in firing position, comprising ment is transmitted to the cam 153 which a safety lever adapted to rotate about an 45 acts on the lever 154 of the firing mechanism. axis behind the loading channel, resilient The slide which carries the foot rest 143 and means for connecting said safety lever and the axis 114 of the pedal is displaced along said firing lever, and permitting of operatthe support 142 by means of the screw 153 ring said firing device when the safety lever (see particularly Figure 2) controlled by the is prevented to enter the loading channel.

50 knurled knob 156. 2. In amachine-gun, a firing device with 09 a firing lever, a safetyv device to hinder the loading of the machine-gun when said firing device is in firing position, comprising a safety lever adapted to rotate about an axis behind the loading channel, a link connecting the safety lever to the firing lever, this link comprising two parts, a socket pivoted to the safety lever, a rod pivoted to the firing lever, a spring inserted between the socket and therod. 3. In a machine-gun, a firing device com prising a support hinged on the head of the. mounting and resting on the support of said head, a foot rest and a firing pedal mounted on a slide, means for fixing the position of the slide along the support, a fire-cam acting on the fire-lever, means to transmit the motion from the firing pedal to the firecam, safety means to hinder the loadingof the machine-gun when the firing'pedalis depressed.

4. In a machine-gun, a firing device eom- I prising a support hinged on the head of the mounting and resting on the support of said head, a foot rest and a firing pedal mount ed on a slide, means for fixing the position of the slide along the support, afire-cam acting on the fire-le"er, means to transmit the'motion from the firing pedal'to the fire earn, a safety device to hinder the loading ofthe'machine-gun when said firing pedal, is depressed comprising a safety lever rotating about an axis behind the loading channe a link connecting the safety lever and the fire lever, this link comprising two parts, a socket pivoted on the safety lever, a rod pivoted to the firing lever, a spring inserted between the socket and the rod. i In testimony whereof I have affixed my 9 signature. 7

AUGUSTE LOUIS RICORDEL. 

